html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,Arial,sans-serif;color:#111;background:#fff}.app{display:flex;min-height:100vh}.left-header{position:fixed;top:0;left:0;width:240px;height:100vh;padding:32px 24px;box-sizing:border-box;background-color:#f2f0ef}.left-header h1{margin:0 0 8px;font-size:28px;line-height:1.1}.left-header .subtitle{margin:0 0 24px;font-size:12px;letter-spacing:.08em;color:#666;text-transform:uppercase}.nav{display:flex;flex-direction:column;gap:12px}.nav a{color:#111;text-decoration:none;font-size:14px}.nav a:hover{text-decoration:underline}.content{flex:1;margin-left:240px;padding:40px 32px}.photo-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}.photo-box{width:100%;height:auto;display:block;object-fit:cover;border-radius:2px}@media (max-width: 1200px){.photo-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 900px){.photo-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.app{flex-direction:column}.left-header{position:static;width:auto;height:auto;padding:24px}.content{margin-left:0;padding:0 16px 32px}.photo-gallery{grid-template-columns:1fr;gap:16px}}